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Finding the Fourth Proportional to 8,835,400.90, 13,234,438.95 and 8,835,400.90

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Solution

The fourth proportional to 8,835,400.90, 13,234,438.95 and 8,835,400.90 is: 13,234,438.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,835,400.90 : 13,234,438.95 = 8,835,400.90 : x
  2. Step 2: Convert to fraction form
    8,835,400.90/13,234,438.95 = 8,835,400.90/x
  3. Step 3: Cross multiply
    8,835,400.90x = 13,234,438.95 × 8,835,400.90
  4. Step 4: Simplify right side
    8,835,400.90x = 116,931,573,809,825.05
  5. Step 5: Solve for x
    x = 116,931,573,809,825.05/8,835,400.90
  6. Step 6: Final answer
    x = 13,234,438.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.